import type { EvaluationArtifact, PairwiseEvaluationResult, StatisticalComparison } from "./types.js";
export declare function comparePairedResults(results: PairwiseEvaluationResult[]): StatisticalComparison;
export declare function bootstrapPercentile(values: number[], seed?: number, samples?: number): {
    estimate: number | undefined;
    lower: number | undefined;
    upper: number | undefined;
    sampleSize: number;
};
export declare function artifactMetricValues(artifacts: EvaluationArtifact[], metricId: string): number[];
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